Sealed and Insulated Flex Ducts Description Guide describing how to air seal and insulate flex ducts.
Blown Insulation for Existing Vented Attic Description Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.
Whole-House Fans Description Guide describing the types of whole-house fans, installation details to reduce energy loss, and how to operate them for comfort and energy savings based on climate zone.
Design for Extreme Heat Description Information guide describing ways to design a home to be resistant to extreme heat.
Pre-Retrofit Assessment of Existing HVAC Systems Description Information guide describing considerations for before retrofitting HVAC systems, retrofit scope considerations, and HVAC system replacement options.
Whole-House Ventilation Strategies for New Homes Description This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants.
Passive and Low-Energy Cooling Description Guide describing various ways of implementing passive and low-energy cooling techniques for a house.